Error during upgrade "clientscript/vbulletin_css"

**migratoria** · August 28, 2017

Hi

during the upgrade at the last reelease (vaultwiki_4019b2) i have this error at step 7.

Code:

An exception occurred: Failed to write css files. Please make sure that the directory 'clientscript/vbulletin_css' is writable. in [path]/vault/install/lib/common/vb3.php on line 1050


#0: vw_Install_Common_Controller_vB3->do_templates() in [path]/vault/install/lib/upgradepath/steps/final/vb3.php at line 110
#1: vw_Install_UpgradePath_Steps_Final_Controller_vB3->{closure}() in [path]/vault/core/controller/progress/steps/vw.php at line 83
#2: vw_Progress_Steps_Controller->call() in [path]/vault/core/controller/progress/steps/vw.php at line 53
#3: vw_Progress_Steps_Controller->execute() in [path]/vault/install/lib/upgradepath/vw.php at line 62
#4: vw_Install_UpgradePath_Controller->exec_script() in [path]/vault/core/controller/progress/vw.php at line 74
#5: vw_Progress_Controller->execute() in [path]/vault/core/controller/cp/progress/vw.php at line 37
#6: vw_CP_Progress_Controller->process() in [path]/vault/core/controller/cp/install/vw.php at line 327
#7: vw_CP_Install_Controller->upgrade() in [path]/vault/core/controller/cp/install/vw.php at line 56
#8: vw_CP_Install_Controller->execute() in [path]/vault/helper/vb/global.php at line 64
#9: require_once() in [path]/vault/install/index.php at line 38
#10: require() in [path]/dbseo.php at line 498

How can I fix it?
The folder "clientscript/vbulletin_css" has already perission 777